AC_DEFUN([DOVECOT_TIME_T], [

AC_TYPEOF(time_t, long int long-long unsigned-int unsigned-long unsigned-long-long)

case "$typeof_time_t" in

long)

timet_len="l"

i_cv_signed_time_t=yes

;;

int)

timet_len=""

i_cv_signed_time_t=yes

;;

"long long")

timet_len="ll"

i_cv_signed_time_t=yes

;;

"unsigned int")

timet_len=""

i_cv_signed_time_t=no

;;

"unsigned long")

timet_len="l"

i_cv_signed_time_t=no

;;

"unsigned long long")

timet_len="ll"

i_cv_signed_time_t=no

;;

*)

AC_MSG_ERROR([Unsupported time_t type])

;;

esac

if test $i_cv_signed_time_t = yes; then

AC_DEFINE(TIME_T_SIGNED,, [Define if your time_t is signed])

timet_d_fmt="$timet_len"d

else

timet_d_fmt="$timet_len"u

fi

timet_x_fmt="$timet_len"x

AC_DEFINE_UNQUOTED(PRIdTIME_T, "$timet_d_fmt", [printf() fmt for dec time_t])

AC_DEFINE_UNQUOTED(PRIxTIME_T, "$timet_x_fmt", [printf() fmt for hex time_t])

])